I feel like b isn’t grammatically correct, so I’ll go with a.
Answer:
The interaction creates a slow and quiet mood, which leaves a feeling of peace and calm in Scrooge.
Answer:
shifts
Explanation: shift means when you move something from a place to another. Changes is the closest to that word.
This is in third person PoV (likely omniscient to be precise). This is known because the readers know almost every thought and emotion of each character.
Examples of this are provided throughout. Just find quotes about the character's thoughts/feelings. :)
